Method SetView

src/widgets/KeyView.cpp:413–466

Sets the view type

// Sets the view type
//
void
KeyView::SetView(ViewByType type)
{
   int index = LineToIndex(GetSelection());

   // Handle an existing selection
   if (index != wxNOT_FOUND)
   {
      // Cache the currently selected node
      KeyNode & node = mNodes[index];

      // Expand branches if switching to Tree view and a line
      // is currently selected
      if (type == ViewByTree)
      {
         // Cache the node's depth
         int depth = node.depth;

         // Search for its parents, setting each one as open
         for (int i = node.index - 1; i >= 0 && depth > 1; i--)
         {
            if (mNodes[i].depth < depth)
            {
               mNodes[i].isopen = true;
               depth = mNodes[i].depth;
            }
         }
      }
   }

   // Unselect any currently selected line...do even if none selected
   SelectNode(-1);

   // Save NEW type
   mViewType = type;

   // Refresh the view lines
   RefreshLines();

   // Reselect old node (if possible)
   if (index != wxNOT_FOUND)
   {
      SelectNode(index);
   }

   // ensure that a node is selected so that when the keyview is the focus,
   // this is indicated visually, and the Narrator screen reader reads it.
   if ((GetSelection() == wxNOT_FOUND))
   {
      SelectNode(LineToIndex(0));
   }

   return;
}

//
// Sets the filter